vieter-v
/
v
2
0
Fork 0
Code Issues Pull Requests Releases Activity

fix complex_test.v

pull/2316/head
Alexander Medvednikov 2019-10-12 22:39:18 +03:00
parent 208f17a73a
commit 432e074b4e
1 changed files with 12 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
vlib/math/complex/complex_test.v
View File

@ -2,7 +2,7 @@ import math
import math.complex as cmplx import math.complex as cmplx
fn test_complex_addition() { fn test_complex_addition() {
// Test is based on and verified from practice examples of Khan Academy // Test is based on and verified from practice examples of Khan Academy
// https://www.khanacademy.org/math/precalculus/imaginary-and-complex-numbers // https://www.khanacademy.org/math/precalculus/imaginary-and-complex-numbers
mut c1 := cmplx.complex(0,-10) mut c1 := cmplx.complex(0,-10)
mut c2 := cmplx.complex(-40,8) mut c2 := cmplx.complex(-40,8)
@ -23,7 +23,7 @@ fn test_complex_addition() {
} }
fn test_complex_subtraction() { fn test_complex_subtraction() {
// Test is based on and verified from practice examples of Khan Academy // Test is based on and verified from practice examples of Khan Academy
// https://www.khanacademy.org/math/precalculus/imaginary-and-complex-numbers // https://www.khanacademy.org/math/precalculus/imaginary-and-complex-numbers
mut c1 := cmplx.complex(-8,0) mut c1 := cmplx.complex(-8,0)
mut c2 := cmplx.complex(6,30) mut c2 := cmplx.complex(6,30)
@ -44,7 +44,7 @@ fn test_complex_subtraction() {
} }
fn test_complex_multiplication() { fn test_complex_multiplication() {
// Test is based on and verified from practice examples of Khan Academy // Test is based on and verified from practice examples of Khan Academy
// https://www.khanacademy.org/math/precalculus/imaginary-and-complex-numbers // https://www.khanacademy.org/math/precalculus/imaginary-and-complex-numbers
mut c1 := cmplx.complex(1,2) mut c1 := cmplx.complex(1,2)
mut c2 := cmplx.complex(1,-4) mut c2 := cmplx.complex(1,-4)
@ -65,7 +65,7 @@ fn test_complex_multiplication() {
} }
fn test_complex_division() { fn test_complex_division() {
// Test is based on and verified from practice examples of Khan Academy // Test is based on and verified from practice examples of Khan Academy
// https://www.khanacademy.org/math/precalculus/imaginary-and-complex-numbers // https://www.khanacademy.org/math/precalculus/imaginary-and-complex-numbers
mut c1 := cmplx.complex(-9,-6) mut c1 := cmplx.complex(-9,-6)
mut c2 := cmplx.complex(-3,-2) mut c2 := cmplx.complex(-3,-2)
@ -86,7 +86,7 @@ fn test_complex_division() {
} }
fn test_complex_conjugate() { fn test_complex_conjugate() {
// Test is based on and verified from practice examples of Khan Academy // Test is based on and verified from practice examples of Khan Academy
// https://www.khanacademy.org/math/precalculus/imaginary-and-complex-numbers // https://www.khanacademy.org/math/precalculus/imaginary-and-complex-numbers
mut c1 := cmplx.complex(0,8) mut c1 := cmplx.complex(0,8)
mut result := c1.conjugate() mut result := c1.conjugate()
@ -122,18 +122,18 @@ fn test_complex_abs() {
} }
fn test_complex_angle(){ fn test_complex_angle(){
// Test is based on and verified from practice examples of Khan Academy // Test is based on and verified from practice examples of Khan Academy
// https://www.khanacademy.org/math/precalculus/imaginary-and-complex-numbers // https://www.khanacademy.org/math/precalculus/imaginary-and-complex-numbers
mut c := cmplx.complex(1, 0) mut c := cmplx.complex(1, 0)
assert (c.angle() * 180 / math.Pi).eq(0) assert (c.angle() * 180 / math.pi).eq(0)
c = cmplx.complex(1, 1) c = cmplx.complex(1, 1)
assert (c.angle() * 180 / math.Pi).eq(45) assert (c.angle() * 180 / math.pi).eq(45)
c = cmplx.complex(0, 1) c = cmplx.complex(0, 1)
assert (c.angle() * 180 / math.Pi).eq(90) assert (c.angle() * 180 / math.pi).eq(90)
c = cmplx.complex(-1, 1) c = cmplx.complex(-1, 1)
assert (c.angle() * 180 / math.Pi).eq(135) assert (c.angle() * 180 / math.pi).eq(135)
c = cmplx.complex(-1, -1) c = cmplx.complex(-1, -1)
assert (c.angle() * 180 / math.Pi).eq(-135) assert (c.angle() * 180 / math.pi).eq(-135)
mut cc := c.conjugate() mut cc := c.conjugate()
assert (cc.angle() + c.angle()).eq(0) assert (cc.angle() + c.angle()).eq(0)
} }
@ -629,7 +629,7 @@ fn test_complex_coth() {
// Some issue with precision comparison in f64 using == operator hence serializing to string // Some issue with precision comparison in f64 using == operator hence serializing to string
assert result.str().eq(c2.str()) assert result.str().eq(c2.str())
} }
fn test_complex_sech() { fn test_complex_sech() {
// Tests were also verified on Wolfram Alpha // Tests were also verified on Wolfram Alpha
mut c1 := cmplx.complex(5,7) mut c1 := cmplx.complex(5,7)